catachresis

incorrect use of a word or words, as by misapplication of terminology or by strained or mixed metaphor

Origin of catachresis

Classical Latin ; from Classical Greek katachrēsis, misuse of a word ; from katachrēsthai ; from kata-, against + chrēsthai, to use ; from chrē, it is necessary ; from uncertain or unknown; perhaps Indo-European an unverified form ĝhrē-, variant, variety of base an unverified form ĝher-, small, be lacking